tam-unto him (Durvasa); anarca-worshiped; atithim-although an uninvited guest; bhupah-the King (Ambarisa); pratyutthana-by standing up; asana-by offering a seat; arhanaih-and by paraphernalia for worship; yayace-requested; abhyavaharaya-for eating; pada-mulam-at the root of his feet; upagatah-fell down.